Inhibiting of erosion of vessls

Details Inhibiting of erosion of vessls Inhibiting of erosion of vessls

2007-02-20

2007-02-20

Kerns, Kevin P. (Department: 1725)

Gas: heating and illuminating

Generators

C422S241000

Reexamination Certificate

active

11195377

ABSTRACT:
A process vessel includes a body defining an interior vessel surface and a fixed catalyst bed in the body. A retainer is provided on the fixed catalyst bed to retain the fixed catalyst bed in position. The retainer defines at least one trapping formation at or in close proximity to the interior vessel surface above the fixed bed catalyst to trap solid objects whirled around in an annular zone above the fixed catalyst bed by fluid passing through the vessel, which whirling solid objects can erode the interior vessel surface in the annular zone.

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English Abstract of DE 3 117 195 dated Nov. 11, 1982.

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